4145238428 has 12 divisors (see below), whose sum is σ = 7254691920. Its totient is φ = 2072469312.

The previous prime is 4145238421. The next prime is 4145238431. The reversal of 4145238428 is 8248325414.

It is a happy number.

It is a super-3 number, since 3×4145238428³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145238421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44825 + ... + 101487.

It is an arithmetic number, because the mean of its divisors is an integer number (604557660).

Almost surely, 2^4145238428 is an apocalyptic number.

It is an amenable number.

4145238428 is a deficient number, since it is larger than the sum of its proper divisors (3109453492).

4145238428 is a wasteful number, since it uses less digits than its factorization.

4145238428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74956 (or 74954 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 4145238428 is about 64383.5260606314. The cubic root of 4145238428 is about 1606.3857337431.

The spelling of 4145238428 in words is "four billion, one hundred forty-five million, two hundred thirty-eight thousand, four hundred twenty-eight".